Velleman DVM870, User Manual, Page: 10 / 50

DVM870 Rev. 01
04.02.2010 ©Velleman nv
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11. Troubleshooting
No display
check whether power is on
replace battery
check fuse
appears
replace battery
OL appears
select appropriate range
make sure measured value is within limits
impossible value replace battery
12. Technical specifications
DC voltage 0.2/2/20/200/600V
basic accuracy
±(0.5% of rdg + 4 digits)
±(1.0% of rdg + 4 digits) for 600V range
input impedance > 10M
Ω
maximum input 600V
AC voltage 0.2/2/20/200/600V
basic accuracy ±(0.8% of rdg + 6 digits)
±(1.5% of rdg + 20 digits) for 0.2V range
input impedance > 10M
Ω
frequency range 50-200Hz
maximum input 600V
DC current 200µ/2m/20m/200m/10A
(max. line voltage 230V)
basic accuracy ±(1.0% of rdg + 10 digits)
±(1.2% of rdg + 10 digits) for 10A range
overload protection 0.2A (10A for 10A range)
AC current 200µ/2m/20m/200m/10A
(max. line voltage 230V)
basic accuracy ±(1.5% of rdg +10 digits)
±(2.5% of rdg + 15 digits) for 10A range
overload protection 0.2A (10A for 10A range)
resistance 200/2k/20k/200k/2M/20M
basic
accuracy ±(0.8% of rdg + 5 digits) for 200ohm range
±(0.8% of rdg + 4 digits) for 2K~2Mohm range
±(1.2% of rdg + 10 digits) for 20Mohm range
overload protection 250V
temperature -55°C to 1000°C